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what is the meaning of this?Running /var/spool/mqueue/n5R6dVxa009552 (sequence 2 of 2)ncsu.edu': Name server timeout<'yuan@ncsu.edu'>... Transient parse error -- message queued for future delivery

Posted on 2009-06-30
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what is the meaning of this?Running /var/spool/mqueue/n5R6dVxa009552 (sequence 2 of 2)ncsu.edu': Name server timeout<'yuan@ncsu.edu'>... Transient parse error -- message queued for future delivery

i am using sendmail on RHEL 5
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Question by:aloknet21
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17 Comments
 
LVL 1

Author Comment

by:aloknet21
ID: 24751906
while sending mail to this client mail goes in queue.

When i resend mail through sendmail -q -v command. it gives error like /var/spool/mqueue/n5R6dVxa009552 (sequence 2 of 2)ncsu.edu': Name server timeout<'yuan@ncsu.edu'>... Transient parse error -- message queued for future delivery

please suggest me!
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LVL 26

Expert Comment

by:jar3817
ID: 24753401
"Name server timeout<'yuan@ncsu.edu'>"

It's a name resolution error. Your server is having trouble resolving the MX record for nscu.edu. This could be a problem with your local server's dns resolvers (not very likely unless you get this for other domains frequently) or a problem with their nameservers or a problem with data transfer between the sites.

Do these messages eventually get delivered or do they stay queued until they get returned?

Are you getting these errors for any other domains?
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LVL 1

Author Comment

by:aloknet21
ID: 24753461
No i am getting only for this domain. When i do sendmail -q -v it tries to resend mail but same error i got.

please suggest

Meanwhile as per your suggestion i have complained my ISP and they have accepted the problem from thier side and doing the needful.

Thanks for your help in this regard.

Alok
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LVL 1

Author Comment

by:aloknet21
ID: 24753575
What could be the reason because user is trying to send mail to this domain since 3 days.

From other domain i am able to send mail to this particular user.
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LVL 26

Expert Comment

by:jar3817
ID: 24753657
These are the related IP addresses for them, can you ping all of these?

# nameservers:
152.1.1.22
152.1.1.208
152.46.13.39

# mail servers
152.1.1.163
152.1.1.164
152.1.1.166
152.1.224.163
152.1.224.164
152.1.224.165
152.1.224.166
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LVL 1

Author Comment

by:aloknet21
ID: 24753753
yes i am able to ping and nslookup too from server console.
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LVL 26

Expert Comment

by:jar3817
ID: 24753774
What is in /etc/resolv.conf on your server?
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LVL 1

Author Comment

by:aloknet21
ID: 24753787
nameserver 10.50.0.2
nameserver 203.196.128.4
nameserver 203.196.128.5
nameserver 4.2.2.2
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LVL 1

Author Comment

by:aloknet21
ID: 24753858
this is my /etc/mail/access

Connect:localhost.localdomain           RELAY
Connect:localhost                       RELAY
Connect:127.0.0.1                       RELAY


This is local-host-names file entry
# local-host-names - include all aliases for your machine here.
glyphinternational.com


This is my ip address details

# Realtek Semiconductor Co., Ltd. RTL-8139/8139C/8139C+
DEVICE=eth0
BOOTPROTO=none
HWADDR=00:08:A1:65:20:15
ONBOOT=yes
NETMASK=255.255.252.0
IPADDR=10.50.0.6
GATEWAY=10.50.0.2
TYPE=Ethernet
USERCTL=no
IPV6INIT=no
PEERDNS=no
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LVL 26

Expert Comment

by:jar3817
ID: 24753897
Can you paste the exact log error from /var/log/maillog related to sending this email? Have you tried contacting the IT department at NCSU to find out if they are seeing anything on their end from you?

From that error it looks like you're having trouble resolving their name, but perhaps the problem is they are having trouble resolving your name and that error is generated on their end.
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LVL 1

Author Comment

by:aloknet21
ID: 24753955
Jun 27 12:09:32 glyphinternational sendmail[9552]: n5R6dVxa009552: to=<'yuan@ncsu.edu'>, delay=00:00:01, mailer=esmtp, pri=69651, dsn=4.4.3, stat=queued
Jun 27 12:09:32 glyphinternational sendmail[9552]: n5R6dVxa009552: to=<Lee.Rourke@sagepub.co.uk>, delay=00:00:01, mailer=esmtp, pri=69651, stat=queued
Jun 27 12:09:33 glyphinternational MailScanner[7830]: New Batch: Scanning 1 messages, 10176 bytes
Jun 27 12:09:39 glyphinternational MailScanner[7830]: Spam Checks: Found 1 spam messages
Jun 27 12:09:39 glyphinternational MailScanner[7830]: Virus and Content Scanning: Starting
Jun 27 12:09:41 glyphinternational MailScanner[7830]: ----------- SCAN SUMMARY -----------
Jun 27 12:09:41 glyphinternational MailScanner[7830]: Known viruses: 581419
Jun 27 12:09:41 glyphinternational MailScanner[7830]: Engine version: 0.95.1
Jun 27 12:09:41 glyphinternational MailScanner[7830]: Scanned directories: 2
Jun 27 12:09:41 glyphinternational MailScanner[7830]: Scanned files: 3
Jun 27 12:09:41 glyphinternational MailScanner[7830]: Infected files: 0
Jun 27 12:09:41 glyphinternational MailScanner[7830]: Data scanned: 0.01 MB
Jun 27 12:09:41 glyphinternational MailScanner[7830]: Data read: 0.00 MB (ratio 2.00:1)
Jun 27 12:09:41 glyphinternational MailScanner[7830]: Time: 2.260 sec (0 m 2 s)
Jun 27 12:09:41 glyphinternational MailScanner[7830]: Uninfected: Delivered 1 messages
Jun 27 12:09:42 glyphinternational sendmail[9565]: n5R6dVxa009552: to=<watchdog@glyphinternational.com>, ctladdr=<sage-journals2@glyphinternational.com> (767/767), delay=00:00:11, xdelay=00:00:00, mailer=local, pri=159651, dsn=2.0.0, stat=Sent


this is the log
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LVL 1

Author Comment

by:aloknet21
ID: 24753995
this mail has sent to two person one has received(Lee.Rourke@sagepub.co.u)  mail but other(yuan@ncsu.edu) has not.
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LVL 26

Expert Comment

by:jar3817
ID: 24754083
According to the logs, it flagged your message as spam:

"Jun 27 12:09:39 glyphinternational MailScanner[7830]: Spam Checks: Found 1 spam messages"

have you tried disabling mailscanner to see if that is getting in the way?
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Author Comment

by:aloknet21
ID: 24754158
But it says for every mail and mail goes successfully. Should i disable this option from MailScanner?
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LVL 26

Accepted Solution

by:
jar3817 earned 1500 total points
ID: 24754186
Well to debug problems you should have things as simple as possible, so I would disable it for testing...
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LVL 1

Author Comment

by:aloknet21
ID: 24754281
yes i have disabled now.
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Author Closing Comment

by:aloknet21
ID: 31598655
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